Visualize a dreamy, nostalgic tunnel stretching under the ocean

Visualize a dreamy, nostalgic tunnel stretching under the ocean, with soft, dim lighting filtering through the translucent water above. The tunnel walls are decorated with faded murals of marine life, blending with the oceanic blues and greens that shimmer around it. Gentle reflections of waves dance on the surfaces, creating a surreal, serene atmosphere. A solitary figure walks through the tunnel, their silhouette casting long shadows, evoking a sense of longing and introspection. The distant horizon visible at the tunnel’s end hints at a new beginning, merging the mystery of the ocean with the hope of what lies beyond